960. ------. [HEINEMANN, A.] [Formaldehyde Synthesis.] Swiss Patent 99,281, no date. Schmidt, J.; Das Kohlenoxyd, Akad. Verlagsgesell., Leipzig, 1950, p. 229.

Patent Abstracts

From CO and H₂ in presence of steam at 240º-350º; porous catalysts with metallic coating.

See British Patent 179,951 (abs. 956) and United States Patent 1,460,244 (abs. 958).